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发表于 2009-7-28 14:57:54
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来自： 中国上海
1.0580的标准
EN 10305-6 (08/2005), Steel tubes for precision applications, Welded cold drawn tubes for hydraulic and pneumatic power systems. (Structural and constructional steels)
* A* a# L& P$ \: L" ^( M9 J- {Chemical compostion C 0.22, Si 0.55, Mn 1.60, P 0.025, S 0.015,
. o- U# F) p" FCold drawn$ I' P, p9 v" W) o! o
Yield stress 355MPa -20度
! n u3 ~4 x5 L8 bTensile STRESS 490-630MPa, -20度8 y( f1 m# D. Z3 c) |7 Y# k: Z( [4 ^
Elongation 22% -20度0 `, W7 h" s3 b- @5 n5 d, V
Impact value (Charpy-V) 27J 0度
) X6 c5 @+ ^- B7 Q1 G; W4 W3 I* A: Q" j" ]6 I, o' s A
For tubes with an outside diameter <=30mm and a wall thickness of <=3mm the minimum values ReH are lower by 10MPa. |
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